Example 2

What percent of the values in a normal distribution are more than 1.2 standard deviations above the mean?
  1. Sketch a normal curve and shade the area that corresponds to the given information.
  2. Use a table of z-scores or a graphing calculator to determine the shaded area.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.